20.4
10/25/1988
RPI 940
The patent was granted on 06/26/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 10/25/1988. We update with every new RPI gazette, published weekly.
Applicants
Sace S/A Equipamentos Eletromecânicos
Inventors
B. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/25/1988
RPI 940
09/25/1984
RPI 727
#16.1
06/26/1984
RPI 714
#13.1
04/10/1984
RPI 703
#9.1
12/13/1983
RPI 686
#6.1
07/12/1983
RPI 664
#4.1
10/13/1982
RPI 625
#18.2
02/04/1992
RPI 1105
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